add --watch flag to svelte-kit package (#4658)

* naive watch mode * simplify * rename function * move code around a bit * resolve package.dir earlier * add unlink_all helper * simplify * Revert "resolve package.dir earlier" This reverts commit ce80b88. * use resolved path * tidy up * tidy up * tidy up * placeholder watch logic * use unlink_all helper * move resolving logic into emit_dts * tidy up some more * move logic around * tidy up * tidy up * group events * fix jsconfig resolution * tests * changeset * await initial build * lint * update prettier config * timeouts * remove package dir from repo * fix gitignore * wtf * more debugging * gah * skip watch tests in CI * add some debugging * fix windows tests * use posixify utility * Update packages/kit/src/packaging/index.js Co-authored-by: Ignatius Bagus <[email protected]> * Update packages/kit/src/packaging/test/fixtures/files-exclude/svelte.config.js Co-authored-by: Ignatius Bagus <[email protected]> * update docs Co-authored-by: Ignatius Bagus <[email protected]>
sveltejs · Apr 21, 2022 · 15516b4 · 15516b4
1 parent 2d2f73c
commit 15516b4
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diff --git a/.changeset/strong-laws-press.md b/.changeset/strong-laws-press.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+Add --watch flag to svelte-kit package
diff --git a/.gitignore b/.gitignore
@@ -5,6 +5,7 @@ test-results/
 package-lock.json
 yarn.lock
 /packages/create-svelte/template/CHANGELOG.md
+/packages/kit/src/packaging/test/watch/package
 /documentation/types.js
 .env
 .vercel_build_output

diff --git a/.prettierrc b/.prettierrc
@@ -14,6 +14,8 @@
 			"files": [
 				"**/CHANGELOG.md",
 				"packages/kit/src/packaging/test/fixtures/**/expected/**/*",
+				"packages/kit/src/packaging/test/watch/expected/**/*",
+				"packages/kit/src/packaging/test/watch/package/**/*",
 				"packages/kit/src/core/build/prerender/fixtures/**/*"
 			],
 			"options": {

diff --git a/documentation/docs/13-cli.md b/documentation/docs/13-cli.md
@@ -44,4 +44,6 @@ Like `svelte-kit dev`, it accepts the following options:
 
 > `svelte-kit package` is currently experimental and is not subject to Semantic Versioning rules. Non-backward compatible changes may occur in any future release.
 
-For package authors, see [packaging](/docs/packaging).
+For package authors, see [packaging](/docs/packaging). `svelte-kit package` accepts the following options:
+
+- `-w`/`--watch` — watch files in `src/lib` for changes and rebuild the package
diff --git a/packages/kit/package.json b/packages/kit/package.json
@@ -11,6 +11,7 @@
 	"type": "module",
 	"dependencies": {
 		"@sveltejs/vite-plugin-svelte": "^1.0.0-next.32",
+		"chokidar": "^3.5.3",
 		"sade": "^1.7.4",
 		"vite": "^2.9.0"
 	},

diff --git a/packages/kit/src/cli.js b/packages/kit/src/cli.js
@@ -153,13 +153,13 @@ prog
 prog
 	.command('package')
 	.describe('Create a package')
-	.action(async () => {
+	.option('-w, --watch', 'Rerun when files change', false)
+	.action(async ({ watch }) => {
 		try {
 			const config = await load_config();
+			const packaging = await import('./packaging/index.js');
 
-			const { make_package } = await import('./packaging/index.js');
-
-			await make_package(config);
+			await (watch ? packaging.watch(config) : packaging.build(config));
 		} catch (error) {
 			handle_error(error);
 		}